SRAM PC XX1-X01 HollowPin 11 Speed Chain - 11 Speed - Silver PDP|Option unscrew the trigger spray from

unscrew the trigger spray from the bottle and fill the device

The main differences between the XX1 and the X01 are:

These Enduro ACB (Angular Contact ABEC 5 Bearings) are specifically for bottom brackets that run 24mm bearing on both sides such as Shimano

All of which when combined

SRAM PC XX1-X01 HollowPin 11 Speed Chain - 11 Speed - Silver PDP|Option unscrew the trigger spray fromSram's top tier 1x11 chain! Built to match the XX1 drivetrain, the hollow link XX1 chain uses a proprietary finish to prevent wear and improve performance. 118 links. Compatible with XX1 and X01 1x11 drivetrains. Powerlock link. Hollow link design.